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juin [17]
3 years ago
9

15-a=20 what is the vaule of a?

Mathematics
2 answers:
torisob [31]3 years ago
5 0

Answer:

a=-5

Step-by-step explanation:

15-a=20

Solve for a.

15-20=a

-5=a

olganol [36]3 years ago
4 0

Answer:

15a=20

a=20/15

a=4/3

ok

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Clarissa helps her mom put the 200-Newton lawn mower in the back of her mom’s truck. They lift the mower up from the ground to t
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Answer:

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Step-by-step explanation:

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W = F * d

In this case the F is 200 N and the distance is 1.1 meters, therefore we replace:

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What is the value of the expression when b= -4 and C=1
babymother [125]

Answer:

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Step-by-step explanation:

7 0
3 years ago
−20 ≤ 59(F−32) ≤ −15
lubasha [3.4K]
We take the value of F in the inequality by taking the inequalities in group. Let the first group be:

(1)    -20 ≤ 59(F - 32)

Then, the second group would be,
(2)     59(F - 32) ≤ - 15

Calculating for the values of F,

(1)     -20 ≤ 59F - 1888
          1888 - 20 ≤ 59F
              1868 ≤ 59F
                 F ≥ 31.66

(2)     (59)(F - 32) ≤ - 15
             59F - 1888 ≤ -15
             59F ≤ 1873
                F ≤ 31.75

The values of F are therefore,
               31.66 ≤ F ≤ 31.75

7 0
3 years ago
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